CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) [Abstract]
Net sales	$ 350,376	$ 417,863
Cost of sales	298,791	348,061
Gross profit	51,585	69,802
Selling, general and administrative expenses	43,224	49,601
Restructuring expense (income)	4,490	(57)
Income from operations	3,871	20,258
Interest expense	3,039	2,990
Other expense (income) - net	(166)	(339)
Earnings from continuing operations before income taxes	998	17,607
Provision for income taxes	2,053	5,041
(Loss) earnings from continuing operations	(1,055)	12,566
Earnings from discontinued operations (net of income taxes)	177	0
Net (loss) earnings	(878)	12,566
Less: Net earnings (loss) attributable to noncontrolling interest	301	(9)
Net (loss) earnings attributable to Modine	$ (1,179)	$ 12,575
(Loss) earnings from continuing operations attributable to Modine common shareholders:
Basic (in dollars per share)	$ (0.03)	$ 0.27
Diluted (in dollars per share)	$ (0.03)	$ 0.27
Net (loss) earnings attributable to Modine common shareholders:
Basic (in dollars per share)	$ (0.03)	$ 0.27
Diluted (in dollars per share)	$ (0.03)	$ 0.27